Home / 93,157.18-128,549.54-52,870.94

Finding the Fourth Proportional to 93,157.18, 128,549.54 and 52,870.94

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Solution

The fourth proportional to 93,157.18, 128,549.54 and 52,870.94 is: 72,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.18 : 128,549.54 = 52,870.94 : x
  2. Step 2: Convert to fraction form
    93,157.18/128,549.54 = 52,870.94/x
  3. Step 3: Cross multiply
    93,157.18x = 128,549.54 × 52,870.94
  4. Step 4: Simplify right side
    93,157.18x = 6,796,535,016.37
  5. Step 5: Solve for x
    x = 6,796,535,016.37/93,157.18
  6. Step 6: Final answer
    x = 72,957.72

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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.