Home / 99,090.08-148,683.72-46,503.84

Finding the Fourth Proportional to 99,090.08, 148,683.72 and 46,503.84

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Solution

The fourth proportional to 99,090.08, 148,683.72 and 46,503.84 is: 69,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,090.08 : 148,683.72 = 46,503.84 : x
  2. Step 2: Convert to fraction form
    99,090.08/148,683.72 = 46,503.84/x
  3. Step 3: Cross multiply
    99,090.08x = 148,683.72 × 46,503.84
  4. Step 4: Simplify right side
    99,090.08x = 6,914,363,925.48
  5. Step 5: Solve for x
    x = 6,914,363,925.48/99,090.08
  6. Step 6: Final answer
    x = 69,778.57

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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.