Home / 102,547.20-153,655.20-58,041.60

Finding the Fourth Proportional to 102,547.20, 153,655.20 and 58,041.60

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Solution

The fourth proportional to 102,547.20, 153,655.20 and 58,041.60 is: 86,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547.20 : 153,655.20 = 58,041.60 : x
  2. Step 2: Convert to fraction form
    102,547.20/153,655.20 = 58,041.60/x
  3. Step 3: Cross multiply
    102,547.20x = 153,655.20 × 58,041.60
  4. Step 4: Simplify right side
    102,547.20x = 8,918,393,656.32
  5. Step 5: Solve for x
    x = 8,918,393,656.32/102,547.20
  6. Step 6: Final answer
    x = 86,968.67

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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.