Home / 77,108.76-106,407.92-43,117.32

Finding the Fourth Proportional to 77,108.76, 106,407.92 and 43,117.32

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Solution

The fourth proportional to 77,108.76, 106,407.92 and 43,117.32 is: 59,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,108.76 : 106,407.92 = 43,117.32 : x
  2. Step 2: Convert to fraction form
    77,108.76/106,407.92 = 43,117.32/x
  3. Step 3: Cross multiply
    77,108.76x = 106,407.92 × 43,117.32
  4. Step 4: Simplify right side
    77,108.76x = 4,588,024,337.17
  5. Step 5: Solve for x
    x = 4,588,024,337.17/77,108.76
  6. Step 6: Final answer
    x = 59,500.69

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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.