Home / 125,855.22-173,681.43-69,267.90

Finding the Fourth Proportional to 125,855.22, 173,681.43 and 69,267.90

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Solution

The fourth proportional to 125,855.22, 173,681.43 and 69,267.90 is: 95,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,855.22 : 173,681.43 = 69,267.90 : x
  2. Step 2: Convert to fraction form
    125,855.22/173,681.43 = 69,267.90/x
  3. Step 3: Cross multiply
    125,855.22x = 173,681.43 × 69,267.90
  4. Step 4: Simplify right side
    125,855.22x = 12,030,547,925.10
  5. Step 5: Solve for x
    x = 12,030,547,925.10/125,855.22
  6. Step 6: Final answer
    x = 95,590.38

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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.