Home / 77,636.22-107,095.95-64,127.58

Finding the Fourth Proportional to 77,636.22, 107,095.95 and 64,127.58

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Solution

The fourth proportional to 77,636.22, 107,095.95 and 64,127.58 is: 88,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,636.22 : 107,095.95 = 64,127.58 : x
  2. Step 2: Convert to fraction form
    77,636.22/107,095.95 = 64,127.58/x
  3. Step 3: Cross multiply
    77,636.22x = 107,095.95 × 64,127.58
  4. Step 4: Simplify right side
    77,636.22x = 6,867,804,101.30
  5. Step 5: Solve for x
    x = 6,867,804,101.30/77,636.22
  6. Step 6: Final answer
    x = 88,461.34

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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.