Home / 103,599.03-142,953.21-58,275.48

Finding the Fourth Proportional to 103,599.03, 142,953.21 and 58,275.48

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Solution

The fourth proportional to 103,599.03, 142,953.21 and 58,275.48 is: 80,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,599.03 : 142,953.21 = 58,275.48 : x
  2. Step 2: Convert to fraction form
    103,599.03/142,953.21 = 58,275.48/x
  3. Step 3: Cross multiply
    103,599.03x = 142,953.21 × 58,275.48
  4. Step 4: Simplify right side
    103,599.03x = 8,330,666,930.29
  5. Step 5: Solve for x
    x = 8,330,666,930.29/103,599.03
  6. Step 6: Final answer
    x = 80,412.60

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1.5x scale

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.