Home / 93,762.09-129,386.70-51,312.42

Finding the Fourth Proportional to 93,762.09, 129,386.70 and 51,312.42

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Solution

The fourth proportional to 93,762.09, 129,386.70 and 51,312.42 is: 70,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,762.09 : 129,386.70 = 51,312.42 : x
  2. Step 2: Convert to fraction form
    93,762.09/129,386.70 = 51,312.42/x
  3. Step 3: Cross multiply
    93,762.09x = 129,386.70 × 51,312.42
  4. Step 4: Simplify right side
    93,762.09x = 6,639,144,692.81
  5. Step 5: Solve for x
    x = 6,639,144,692.81/93,762.09
  6. Step 6: Final answer
    x = 70,808.41

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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.