Home / 121,904.61-182,865.14-47,025.38

Finding the Fourth Proportional to 121,904.61, 182,865.14 and 47,025.38

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Solution

The fourth proportional to 121,904.61, 182,865.14 and 47,025.38 is: 70,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,904.61 : 182,865.14 = 47,025.38 : x
  2. Step 2: Convert to fraction form
    121,904.61/182,865.14 = 47,025.38/x
  3. Step 3: Cross multiply
    121,904.61x = 182,865.14 × 47,025.38
  4. Step 4: Simplify right side
    121,904.61x = 8,599,301,547.80
  5. Step 5: Solve for x
    x = 8,599,301,547.80/121,904.61
  6. Step 6: Final answer
    x = 70,541.23

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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.