Home / 92,319.18-127,400.40-49,877.70

Finding the Fourth Proportional to 92,319.18, 127,400.40 and 49,877.70

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Solution

The fourth proportional to 92,319.18, 127,400.40 and 49,877.70 is: 68,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,319.18 : 127,400.40 = 49,877.70 : x
  2. Step 2: Convert to fraction form
    92,319.18/127,400.40 = 49,877.70/x
  3. Step 3: Cross multiply
    92,319.18x = 127,400.40 × 49,877.70
  4. Step 4: Simplify right side
    92,319.18x = 6,354,438,931.08
  5. Step 5: Solve for x
    x = 6,354,438,931.08/92,319.18
  6. Step 6: Final answer
    x = 68,831.19

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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.