Home / 71,473.04-99,084.55-67,681.18

Finding the Fourth Proportional to 71,473.04, 99,084.55 and 67,681.18

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Solution

The fourth proportional to 71,473.04, 99,084.55 and 67,681.18 is: 93,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,473.04 : 99,084.55 = 67,681.18 : x
  2. Step 2: Convert to fraction form
    71,473.04/99,084.55 = 67,681.18/x
  3. Step 3: Cross multiply
    71,473.04x = 99,084.55 × 67,681.18
  4. Step 4: Simplify right side
    71,473.04x = 6,706,159,263.77
  5. Step 5: Solve for x
    x = 6,706,159,263.77/71,473.04
  6. Step 6: Final answer
    x = 93,827.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.