Home / 93,011.12-128,352.62-52,728.58

Finding the Fourth Proportional to 93,011.12, 128,352.62 and 52,728.58

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Solution

The fourth proportional to 93,011.12, 128,352.62 and 52,728.58 is: 72,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.12 : 128,352.62 = 52,728.58 : x
  2. Step 2: Convert to fraction form
    93,011.12/128,352.62 = 52,728.58/x
  3. Step 3: Cross multiply
    93,011.12x = 128,352.62 × 52,728.58
  4. Step 4: Simplify right side
    93,011.12x = 6,767,851,391.88
  5. Step 5: Solve for x
    x = 6,767,851,391.88/93,011.12
  6. Step 6: Final answer
    x = 72,763.90

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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.