Home / 76,297.86-105,325.65-49,113.18

Finding the Fourth Proportional to 76,297.86, 105,325.65 and 49,113.18

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Solution

The fourth proportional to 76,297.86, 105,325.65 and 49,113.18 is: 67,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,297.86 : 105,325.65 = 49,113.18 : x
  2. Step 2: Convert to fraction form
    76,297.86/105,325.65 = 49,113.18/x
  3. Step 3: Cross multiply
    76,297.86x = 105,325.65 × 49,113.18
  4. Step 4: Simplify right side
    76,297.86x = 5,172,877,607.07
  5. Step 5: Solve for x
    x = 5,172,877,607.07/76,297.86
  6. Step 6: Final answer
    x = 67,798.46

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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.