Home / 77,411.16-106,860.06-52,294.68

Finding the Fourth Proportional to 77,411.16, 106,860.06 and 52,294.68

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Solution

The fourth proportional to 77,411.16, 106,860.06 and 52,294.68 is: 72,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,411.16 : 106,860.06 = 52,294.68 : x
  2. Step 2: Convert to fraction form
    77,411.16/106,860.06 = 52,294.68/x
  3. Step 3: Cross multiply
    77,411.16x = 106,860.06 × 52,294.68
  4. Step 4: Simplify right side
    77,411.16x = 5,588,212,642.48
  5. Step 5: Solve for x
    x = 5,588,212,642.48/77,411.16
  6. Step 6: Final answer
    x = 72,188.72

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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.