Home / 89,360.62-134,075.66-39,405.49

Finding the Fourth Proportional to 89,360.62, 134,075.66 and 39,405.49

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Solution

The fourth proportional to 89,360.62, 134,075.66 and 39,405.49 is: 59,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,360.62 : 134,075.66 = 39,405.49 : x
  2. Step 2: Convert to fraction form
    89,360.62/134,075.66 = 39,405.49/x
  3. Step 3: Cross multiply
    89,360.62x = 134,075.66 × 39,405.49
  4. Step 4: Simplify right side
    89,360.62x = 5,283,316,547.16
  5. Step 5: Solve for x
    x = 5,283,316,547.16/89,360.62
  6. Step 6: Final answer
    x = 59,123.55

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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.