Home / 89,159.84-123,040.80-48,875.06

Finding the Fourth Proportional to 89,159.84, 123,040.80 and 48,875.06

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Solution

The fourth proportional to 89,159.84, 123,040.80 and 48,875.06 is: 67,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,159.84 : 123,040.80 = 48,875.06 : x
  2. Step 2: Convert to fraction form
    89,159.84/123,040.80 = 48,875.06/x
  3. Step 3: Cross multiply
    89,159.84x = 123,040.80 × 48,875.06
  4. Step 4: Simplify right side
    89,159.84x = 6,013,626,482.45
  5. Step 5: Solve for x
    x = 6,013,626,482.45/89,159.84
  6. Step 6: Final answer
    x = 67,447.70

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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.