Home / 79,300.74-109,417.29-45,298.35

Finding the Fourth Proportional to 79,300.74, 109,417.29 and 45,298.35

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Solution

The fourth proportional to 79,300.74, 109,417.29 and 45,298.35 is: 62,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,300.74 : 109,417.29 = 45,298.35 : x
  2. Step 2: Convert to fraction form
    79,300.74/109,417.29 = 45,298.35/x
  3. Step 3: Cross multiply
    79,300.74x = 109,417.29 × 45,298.35
  4. Step 4: Simplify right side
    79,300.74x = 4,956,423,278.66
  5. Step 5: Solve for x
    x = 4,956,423,278.66/79,300.74
  6. Step 6: Final answer
    x = 62,501.60

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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.