Home / 55,386.09-83,152.98-47,119.23

Finding the Fourth Proportional to 55,386.09, 83,152.98 and 47,119.23

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Solution

The fourth proportional to 55,386.09, 83,152.98 and 47,119.23 is: 70,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,386.09 : 83,152.98 = 47,119.23 : x
  2. Step 2: Convert to fraction form
    55,386.09/83,152.98 = 47,119.23/x
  3. Step 3: Cross multiply
    55,386.09x = 83,152.98 × 47,119.23
  4. Step 4: Simplify right side
    55,386.09x = 3,918,104,389.81
  5. Step 5: Solve for x
    x = 3,918,104,389.81/55,386.09
  6. Step 6: Final answer
    x = 70,741.67

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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.