Home / 77,577.17-107,061.05-58,423.16

Finding the Fourth Proportional to 77,577.17, 107,061.05 and 58,423.16

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Solution

The fourth proportional to 77,577.17, 107,061.05 and 58,423.16 is: 80,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,577.17 : 107,061.05 = 58,423.16 : x
  2. Step 2: Convert to fraction form
    77,577.17/107,061.05 = 58,423.16/x
  3. Step 3: Cross multiply
    77,577.17x = 107,061.05 × 58,423.16
  4. Step 4: Simplify right side
    77,577.17x = 6,254,845,267.63
  5. Step 5: Solve for x
    x = 6,254,845,267.63/77,577.17
  6. Step 6: Final answer
    x = 80,627.40

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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.