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Finding the Fourth Proportional to 64,849.07, 89,525.54 and 46,031.15

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Solution

The fourth proportional to 64,849.07, 89,525.54 and 46,031.15 is: 63,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,849.07 : 89,525.54 = 46,031.15 : x
  2. Step 2: Convert to fraction form
    64,849.07/89,525.54 = 46,031.15/x
  3. Step 3: Cross multiply
    64,849.07x = 89,525.54 × 46,031.15
  4. Step 4: Simplify right side
    64,849.07x = 4,120,963,560.57
  5. Step 5: Solve for x
    x = 4,120,963,560.57/64,849.07
  6. Step 6: Final answer
    x = 63,547.00

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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.