Home / 93,316.19-128,776.33-53,030.03

Finding the Fourth Proportional to 93,316.19, 128,776.33 and 53,030.03

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Solution

The fourth proportional to 93,316.19, 128,776.33 and 53,030.03 is: 73,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,316.19 : 128,776.33 = 53,030.03 : x
  2. Step 2: Convert to fraction form
    93,316.19/128,776.33 = 53,030.03/x
  3. Step 3: Cross multiply
    93,316.19x = 128,776.33 × 53,030.03
  4. Step 4: Simplify right side
    93,316.19x = 6,829,012,065.60
  5. Step 5: Solve for x
    x = 6,829,012,065.60/93,316.19
  6. Step 6: Final answer
    x = 73,181.43

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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.