Home / 92,488.86-127,637.18-56,178.04

Finding the Fourth Proportional to 92,488.86, 127,637.18 and 56,178.04

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Solution

The fourth proportional to 92,488.86, 127,637.18 and 56,178.04 is: 77,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,488.86 : 127,637.18 = 56,178.04 : x
  2. Step 2: Convert to fraction form
    92,488.86/127,637.18 = 56,178.04/x
  3. Step 3: Cross multiply
    92,488.86x = 127,637.18 × 56,178.04
  4. Step 4: Simplify right side
    92,488.86x = 7,170,406,603.53
  5. Step 5: Solve for x
    x = 7,170,406,603.53/92,488.86
  6. Step 6: Final answer
    x = 77,527.25

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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.