Home / 124,399.35-171,671.40-70,702.20

Finding the Fourth Proportional to 124,399.35, 171,671.40 and 70,702.20

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Solution

The fourth proportional to 124,399.35, 171,671.40 and 70,702.20 is: 97,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,399.35 : 171,671.40 = 70,702.20 : x
  2. Step 2: Convert to fraction form
    124,399.35/171,671.40 = 70,702.20/x
  3. Step 3: Cross multiply
    124,399.35x = 171,671.40 × 70,702.20
  4. Step 4: Simplify right side
    124,399.35x = 12,137,545,657.08
  5. Step 5: Solve for x
    x = 12,137,545,657.08/124,399.35
  6. Step 6: Final answer
    x = 97,569.20

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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.