Home / 64,417.05-96,580.29-28,376.40

Finding the Fourth Proportional to 64,417.05, 96,580.29 and 28,376.40

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Solution

The fourth proportional to 64,417.05, 96,580.29 and 28,376.40 is: 42,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,417.05 : 96,580.29 = 28,376.40 : x
  2. Step 2: Convert to fraction form
    64,417.05/96,580.29 = 28,376.40/x
  3. Step 3: Cross multiply
    64,417.05x = 96,580.29 × 28,376.40
  4. Step 4: Simplify right side
    64,417.05x = 2,740,600,941.16
  5. Step 5: Solve for x
    x = 2,740,600,941.16/64,417.05
  6. Step 6: Final answer
    x = 42,544.65

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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.