Home / 99,626.96-137,483.02-54,303.21

Finding the Fourth Proportional to 99,626.96, 137,483.02 and 54,303.21

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Solution

The fourth proportional to 99,626.96, 137,483.02 and 54,303.21 is: 74,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,626.96 : 137,483.02 = 54,303.21 : x
  2. Step 2: Convert to fraction form
    99,626.96/137,483.02 = 54,303.21/x
  3. Step 3: Cross multiply
    99,626.96x = 137,483.02 × 54,303.21
  4. Step 4: Simplify right side
    99,626.96x = 7,465,769,374.37
  5. Step 5: Solve for x
    x = 7,465,769,374.37/99,626.96
  6. Step 6: Final answer
    x = 74,937.24

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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.