Home / 77,918.64-116,767.08-60,306

Finding the Fourth Proportional to 77,918.64, 116,767.08 and 60,306

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Solution

The fourth proportional to 77,918.64, 116,767.08 and 60,306 is: 90,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,918.64 : 116,767.08 = 60,306 : x
  2. Step 2: Convert to fraction form
    77,918.64/116,767.08 = 60,306/x
  3. Step 3: Cross multiply
    77,918.64x = 116,767.08 × 60,306
  4. Step 4: Simplify right side
    77,918.64x = 7,041,755,526.48
  5. Step 5: Solve for x
    x = 7,041,755,526.48/77,918.64
  6. Step 6: Final answer
    x = 90,373.18

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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.