Home / 103,925.08-143,417.93-63,077.39

Finding the Fourth Proportional to 103,925.08, 143,417.93 and 63,077.39

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Solution

The fourth proportional to 103,925.08, 143,417.93 and 63,077.39 is: 87,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,925.08 : 143,417.93 = 63,077.39 : x
  2. Step 2: Convert to fraction form
    103,925.08/143,417.93 = 63,077.39/x
  3. Step 3: Cross multiply
    103,925.08x = 143,417.93 × 63,077.39
  4. Step 4: Simplify right side
    103,925.08x = 9,046,429,144.52
  5. Step 5: Solve for x
    x = 9,046,429,144.52/103,925.08
  6. Step 6: Final answer
    x = 87,047.60

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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.