Home / 89,312.09-133,980.02-47,193.89

Finding the Fourth Proportional to 89,312.09, 133,980.02 and 47,193.89

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Solution

The fourth proportional to 89,312.09, 133,980.02 and 47,193.89 is: 70,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,312.09 : 133,980.02 = 47,193.89 : x
  2. Step 2: Convert to fraction form
    89,312.09/133,980.02 = 47,193.89/x
  3. Step 3: Cross multiply
    89,312.09x = 133,980.02 × 47,193.89
  4. Step 4: Simplify right side
    89,312.09x = 6,323,038,090.11
  5. Step 5: Solve for x
    x = 6,323,038,090.11/89,312.09
  6. Step 6: Final answer
    x = 70,797.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.