Home / 89,973.18-134,947.08-49,459.32

Finding the Fourth Proportional to 89,973.18, 134,947.08 and 49,459.32

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Solution

The fourth proportional to 89,973.18, 134,947.08 and 49,459.32 is: 74,182.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,973.18 : 134,947.08 = 49,459.32 : x
  2. Step 2: Convert to fraction form
    89,973.18/134,947.08 = 49,459.32/x
  3. Step 3: Cross multiply
    89,973.18x = 134,947.08 × 49,459.32
  4. Step 4: Simplify right side
    89,973.18x = 6,674,390,812.79
  5. Step 5: Solve for x
    x = 6,674,390,812.79/89,973.18
  6. Step 6: Final answer
    x = 74,182.00

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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.