Home / 92,130.23-127,076.10-56,337.86

Finding the Fourth Proportional to 92,130.23, 127,076.10 and 56,337.86

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Solution

The fourth proportional to 92,130.23, 127,076.10 and 56,337.86 is: 77,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,130.23 : 127,076.10 = 56,337.86 : x
  2. Step 2: Convert to fraction form
    92,130.23/127,076.10 = 56,337.86/x
  3. Step 3: Cross multiply
    92,130.23x = 127,076.10 × 56,337.86
  4. Step 4: Simplify right side
    92,130.23x = 7,159,195,531.15
  5. Step 5: Solve for x
    x = 7,159,195,531.15/92,130.23
  6. Step 6: Final answer
    x = 77,707.34

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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.