Home / 97,172.63-145,547.52-47,147.13

Finding the Fourth Proportional to 97,172.63, 145,547.52 and 47,147.13

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Solution

The fourth proportional to 97,172.63, 145,547.52 and 47,147.13 is: 70,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,172.63 : 145,547.52 = 47,147.13 : x
  2. Step 2: Convert to fraction form
    97,172.63/145,547.52 = 47,147.13/x
  3. Step 3: Cross multiply
    97,172.63x = 145,547.52 × 47,147.13
  4. Step 4: Simplify right side
    97,172.63x = 6,862,147,846.62
  5. Step 5: Solve for x
    x = 6,862,147,846.62/97,172.63
  6. Step 6: Final answer
    x = 70,618.12

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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.