Home / 77,775.21-116,444.93-42,108.48

Finding the Fourth Proportional to 77,775.21, 116,444.93 and 42,108.48

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Solution

The fourth proportional to 77,775.21, 116,444.93 and 42,108.48 is: 63,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,775.21 : 116,444.93 = 42,108.48 : x
  2. Step 2: Convert to fraction form
    77,775.21/116,444.93 = 42,108.48/x
  3. Step 3: Cross multiply
    77,775.21x = 116,444.93 × 42,108.48
  4. Step 4: Simplify right side
    77,775.21x = 4,903,318,795.46
  5. Step 5: Solve for x
    x = 4,903,318,795.46/77,775.21
  6. Step 6: Final answer
    x = 63,044.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.