Home / 76,482.96-105,535.08-42,942.48

Finding the Fourth Proportional to 76,482.96, 105,535.08 and 42,942.48

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Solution

The fourth proportional to 76,482.96, 105,535.08 and 42,942.48 is: 59,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,482.96 : 105,535.08 = 42,942.48 : x
  2. Step 2: Convert to fraction form
    76,482.96/105,535.08 = 42,942.48/x
  3. Step 3: Cross multiply
    76,482.96x = 105,535.08 × 42,942.48
  4. Step 4: Simplify right side
    76,482.96x = 4,531,938,062.20
  5. Step 5: Solve for x
    x = 4,531,938,062.20/76,482.96
  6. Step 6: Final answer
    x = 59,254.22

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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.