Home / 52,127.15-78,130.58-22,515.17

Finding the Fourth Proportional to 52,127.15, 78,130.58 and 22,515.17

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Solution

The fourth proportional to 52,127.15, 78,130.58 and 22,515.17 is: 33,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.15 : 78,130.58 = 22,515.17 : x
  2. Step 2: Convert to fraction form
    52,127.15/78,130.58 = 22,515.17/x
  3. Step 3: Cross multiply
    52,127.15x = 78,130.58 × 22,515.17
  4. Step 4: Simplify right side
    52,127.15x = 1,759,122,787.67
  5. Step 5: Solve for x
    x = 1,759,122,787.67/52,127.15
  6. Step 6: Final answer
    x = 33,746.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.