Home / 67,562.10-93,036.60-57,931.20

Finding the Fourth Proportional to 67,562.10, 93,036.60 and 57,931.20

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Solution

The fourth proportional to 67,562.10, 93,036.60 and 57,931.20 is: 79,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,562.10 : 93,036.60 = 57,931.20 : x
  2. Step 2: Convert to fraction form
    67,562.10/93,036.60 = 57,931.20/x
  3. Step 3: Cross multiply
    67,562.10x = 93,036.60 × 57,931.20
  4. Step 4: Simplify right side
    67,562.10x = 5,389,721,881.92
  5. Step 5: Solve for x
    x = 5,389,721,881.92/67,562.10
  6. Step 6: Final answer
    x = 79,774.34

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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.