Home / 43,121.13-64,681.98-15,041.08

Finding the Fourth Proportional to 43,121.13, 64,681.98 and 15,041.08

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Solution

The fourth proportional to 43,121.13, 64,681.98 and 15,041.08 is: 22,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.13 : 64,681.98 = 15,041.08 : x
  2. Step 2: Convert to fraction form
    43,121.13/64,681.98 = 15,041.08/x
  3. Step 3: Cross multiply
    43,121.13x = 64,681.98 × 15,041.08
  4. Step 4: Simplify right side
    43,121.13x = 972,886,835.74
  5. Step 5: Solve for x
    x = 972,886,835.74/43,121.13
  6. Step 6: Final answer
    x = 22,561.72

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1.5x scale

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.