Home / 76,130.79-105,036.33-44,293.53

Finding the Fourth Proportional to 76,130.79, 105,036.33 and 44,293.53

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Solution

The fourth proportional to 76,130.79, 105,036.33 and 44,293.53 is: 61,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,130.79 : 105,036.33 = 44,293.53 : x
  2. Step 2: Convert to fraction form
    76,130.79/105,036.33 = 44,293.53/x
  3. Step 3: Cross multiply
    76,130.79x = 105,036.33 × 44,293.53
  4. Step 4: Simplify right side
    76,130.79x = 4,652,430,331.64
  5. Step 5: Solve for x
    x = 4,652,430,331.64/76,130.79
  6. Step 6: Final answer
    x = 61,111.02

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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.