Home / 98,045.04-147,053.64-31,476.40

Finding the Fourth Proportional to 98,045.04, 147,053.64 and 31,476.40

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Solution

The fourth proportional to 98,045.04, 147,053.64 and 31,476.40 is: 47,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,045.04 : 147,053.64 = 31,476.40 : x
  2. Step 2: Convert to fraction form
    98,045.04/147,053.64 = 31,476.40/x
  3. Step 3: Cross multiply
    98,045.04x = 147,053.64 × 31,476.40
  4. Step 4: Simplify right side
    98,045.04x = 4,628,719,194.10
  5. Step 5: Solve for x
    x = 4,628,719,194.10/98,045.04
  6. Step 6: Final answer
    x = 47,210.13

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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.