Home / 70,476.08-105,506.76-47,044.40

Finding the Fourth Proportional to 70,476.08, 105,506.76 and 47,044.40

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Solution

The fourth proportional to 70,476.08, 105,506.76 and 47,044.40 is: 70,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,476.08 : 105,506.76 = 47,044.40 : x
  2. Step 2: Convert to fraction form
    70,476.08/105,506.76 = 47,044.40/x
  3. Step 3: Cross multiply
    70,476.08x = 105,506.76 × 47,044.40
  4. Step 4: Simplify right side
    70,476.08x = 4,963,502,220.14
  5. Step 5: Solve for x
    x = 4,963,502,220.14/70,476.08
  6. Step 6: Final answer
    x = 70,428.18

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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.