Home / 98,030.91-147,065.43-31,465.92

Finding the Fourth Proportional to 98,030.91, 147,065.43 and 31,465.92

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Solution

The fourth proportional to 98,030.91, 147,065.43 and 31,465.92 is: 47,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,030.91 : 147,065.43 = 31,465.92 : x
  2. Step 2: Convert to fraction form
    98,030.91/147,065.43 = 31,465.92/x
  3. Step 3: Cross multiply
    98,030.91x = 147,065.43 × 31,465.92
  4. Step 4: Simplify right side
    98,030.91x = 4,627,549,055.15
  5. Step 5: Solve for x
    x = 4,627,549,055.15/98,030.91
  6. Step 6: Final answer
    x = 47,205.00

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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.