Home / 71,501.46-98,673.84-39,237.48

Finding the Fourth Proportional to 71,501.46, 98,673.84 and 39,237.48

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Solution

The fourth proportional to 71,501.46, 98,673.84 and 39,237.48 is: 54,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,501.46 : 98,673.84 = 39,237.48 : x
  2. Step 2: Convert to fraction form
    71,501.46/98,673.84 = 39,237.48/x
  3. Step 3: Cross multiply
    71,501.46x = 98,673.84 × 39,237.48
  4. Step 4: Simplify right side
    71,501.46x = 3,871,712,823.52
  5. Step 5: Solve for x
    x = 3,871,712,823.52/71,501.46
  6. Step 6: Final answer
    x = 54,148.72

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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.