Home / 77,132.40-106,444.08-43,598.40

Finding the Fourth Proportional to 77,132.40, 106,444.08 and 43,598.40

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Solution

The fourth proportional to 77,132.40, 106,444.08 and 43,598.40 is: 60,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,132.40 : 106,444.08 = 43,598.40 : x
  2. Step 2: Convert to fraction form
    77,132.40/106,444.08 = 43,598.40/x
  3. Step 3: Cross multiply
    77,132.40x = 106,444.08 × 43,598.40
  4. Step 4: Simplify right side
    77,132.40x = 4,640,791,577.47
  5. Step 5: Solve for x
    x = 4,640,791,577.47/77,132.40
  6. Step 6: Final answer
    x = 60,166.57

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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.