Home / 77,066.21-106,386.95-48,810.17

Finding the Fourth Proportional to 77,066.21, 106,386.95 and 48,810.17

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Solution

The fourth proportional to 77,066.21, 106,386.95 and 48,810.17 is: 67,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,066.21 : 106,386.95 = 48,810.17 : x
  2. Step 2: Convert to fraction form
    77,066.21/106,386.95 = 48,810.17/x
  3. Step 3: Cross multiply
    77,066.21x = 106,386.95 × 48,810.17
  4. Step 4: Simplify right side
    77,066.21x = 5,192,764,871.23
  5. Step 5: Solve for x
    x = 5,192,764,871.23/77,066.21
  6. Step 6: Final answer
    x = 67,380.57

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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.