Home / 75,155.35-112,679.63-37,688.40

Finding the Fourth Proportional to 75,155.35, 112,679.63 and 37,688.40

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Solution

The fourth proportional to 75,155.35, 112,679.63 and 37,688.40 is: 56,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.35 : 112,679.63 = 37,688.40 : x
  2. Step 2: Convert to fraction form
    75,155.35/112,679.63 = 37,688.40/x
  3. Step 3: Cross multiply
    75,155.35x = 112,679.63 × 37,688.40
  4. Step 4: Simplify right side
    75,155.35x = 4,246,714,967.29
  5. Step 5: Solve for x
    x = 4,246,714,967.29/75,155.35
  6. Step 6: Final answer
    x = 56,505.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.