Home / 76,298.40-105,254.64-44,455.68

Finding the Fourth Proportional to 76,298.40, 105,254.64 and 44,455.68

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Solution

The fourth proportional to 76,298.40, 105,254.64 and 44,455.68 is: 61,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,298.40 : 105,254.64 = 44,455.68 : x
  2. Step 2: Convert to fraction form
    76,298.40/105,254.64 = 44,455.68/x
  3. Step 3: Cross multiply
    76,298.40x = 105,254.64 × 44,455.68
  4. Step 4: Simplify right side
    76,298.40x = 4,679,166,594.36
  5. Step 5: Solve for x
    x = 4,679,166,594.36/76,298.40
  6. Step 6: Final answer
    x = 61,327.19

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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.