Home / 76,206.64-105,156.48-44,368.80

Finding the Fourth Proportional to 76,206.64, 105,156.48 and 44,368.80

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Solution

The fourth proportional to 76,206.64, 105,156.48 and 44,368.80 is: 61,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,206.64 : 105,156.48 = 44,368.80 : x
  2. Step 2: Convert to fraction form
    76,206.64/105,156.48 = 44,368.80/x
  3. Step 3: Cross multiply
    76,206.64x = 105,156.48 × 44,368.80
  4. Step 4: Simplify right side
    76,206.64x = 4,665,666,829.82
  5. Step 5: Solve for x
    x = 4,665,666,829.82/76,206.64
  6. Step 6: Final answer
    x = 61,223.89

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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.