Home / 92,890.17-128,184.29-52,603.08

Finding the Fourth Proportional to 92,890.17, 128,184.29 and 52,603.08

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Solution

The fourth proportional to 92,890.17, 128,184.29 and 52,603.08 is: 72,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890.17 : 128,184.29 = 52,603.08 : x
  2. Step 2: Convert to fraction form
    92,890.17/128,184.29 = 52,603.08/x
  3. Step 3: Cross multiply
    92,890.17x = 128,184.29 × 52,603.08
  4. Step 4: Simplify right side
    92,890.17x = 6,742,888,198.60
  5. Step 5: Solve for x
    x = 6,742,888,198.60/92,890.17
  6. Step 6: Final answer
    x = 72,589.90

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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.