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Finding the Fourth Proportional to 93,152.62, 128,554.15 and 52,868.08

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Solution

The fourth proportional to 93,152.62, 128,554.15 and 52,868.08 is: 72,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,152.62 : 128,554.15 = 52,868.08 : x
  2. Step 2: Convert to fraction form
    93,152.62/128,554.15 = 52,868.08/x
  3. Step 3: Cross multiply
    93,152.62x = 128,554.15 × 52,868.08
  4. Step 4: Simplify right side
    93,152.62x = 6,796,411,086.53
  5. Step 5: Solve for x
    x = 6,796,411,086.53/93,152.62
  6. Step 6: Final answer
    x = 72,959.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.