Home / 83,312.04-114,963.66-47,501.40

Finding the Fourth Proportional to 83,312.04, 114,963.66 and 47,501.40

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Solution

The fourth proportional to 83,312.04, 114,963.66 and 47,501.40 is: 65,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,312.04 : 114,963.66 = 47,501.40 : x
  2. Step 2: Convert to fraction form
    83,312.04/114,963.66 = 47,501.40/x
  3. Step 3: Cross multiply
    83,312.04x = 114,963.66 × 47,501.40
  4. Step 4: Simplify right side
    83,312.04x = 5,460,934,799.12
  5. Step 5: Solve for x
    x = 5,460,934,799.12/83,312.04
  6. Step 6: Final answer
    x = 65,547.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.