Home / 75,132.09-112,707.02-47,054.47

Finding the Fourth Proportional to 75,132.09, 112,707.02 and 47,054.47

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Solution

The fourth proportional to 75,132.09, 112,707.02 and 47,054.47 is: 70,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.09 : 112,707.02 = 47,054.47 : x
  2. Step 2: Convert to fraction form
    75,132.09/112,707.02 = 47,054.47/x
  3. Step 3: Cross multiply
    75,132.09x = 112,707.02 × 47,054.47
  4. Step 4: Simplify right side
    75,132.09x = 5,303,368,574.34
  5. Step 5: Solve for x
    x = 5,303,368,574.34/75,132.09
  6. Step 6: Final answer
    x = 70,587.26

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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.