Home / 70,810.30-97,720.27-38,547.01

Finding the Fourth Proportional to 70,810.30, 97,720.27 and 38,547.01

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Solution

The fourth proportional to 70,810.30, 97,720.27 and 38,547.01 is: 53,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,810.30 : 97,720.27 = 38,547.01 : x
  2. Step 2: Convert to fraction form
    70,810.30/97,720.27 = 38,547.01/x
  3. Step 3: Cross multiply
    70,810.30x = 97,720.27 × 38,547.01
  4. Step 4: Simplify right side
    70,810.30x = 3,766,824,276.46
  5. Step 5: Solve for x
    x = 3,766,824,276.46/70,810.30
  6. Step 6: Final answer
    x = 53,195.99

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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.