Home / 76,038.21-104,928.44-42,044.63

Finding the Fourth Proportional to 76,038.21, 104,928.44 and 42,044.63

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Solution

The fourth proportional to 76,038.21, 104,928.44 and 42,044.63 is: 58,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,038.21 : 104,928.44 = 42,044.63 : x
  2. Step 2: Convert to fraction form
    76,038.21/104,928.44 = 42,044.63/x
  3. Step 3: Cross multiply
    76,038.21x = 104,928.44 × 42,044.63
  4. Step 4: Simplify right side
    76,038.21x = 4,411,676,701.41
  5. Step 5: Solve for x
    x = 4,411,676,701.41/76,038.21
  6. Step 6: Final answer
    x = 58,019.21

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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.