Home / 72,401.76-109,095.91-59,542.20

Finding the Fourth Proportional to 72,401.76, 109,095.91 and 59,542.20

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Solution

The fourth proportional to 72,401.76, 109,095.91 and 59,542.20 is: 89,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,401.76 : 109,095.91 = 59,542.20 : x
  2. Step 2: Convert to fraction form
    72,401.76/109,095.91 = 59,542.20/x
  3. Step 3: Cross multiply
    72,401.76x = 109,095.91 × 59,542.20
  4. Step 4: Simplify right side
    72,401.76x = 6,495,810,492.40
  5. Step 5: Solve for x
    x = 6,495,810,492.40/72,401.76
  6. Step 6: Final answer
    x = 89,718.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.