Home / 64,301.16-88,740.28-38,813.74

Finding the Fourth Proportional to 64,301.16, 88,740.28 and 38,813.74

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Solution

The fourth proportional to 64,301.16, 88,740.28 and 38,813.74 is: 53,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,301.16 : 88,740.28 = 38,813.74 : x
  2. Step 2: Convert to fraction form
    64,301.16/88,740.28 = 38,813.74/x
  3. Step 3: Cross multiply
    64,301.16x = 88,740.28 × 38,813.74
  4. Step 4: Simplify right side
    64,301.16x = 3,444,342,155.45
  5. Step 5: Solve for x
    x = 3,444,342,155.45/64,301.16
  6. Step 6: Final answer
    x = 53,565.79

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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.